DLL Side-Loading
New PDFSider Windows malware deployed on Fortune 100 firm’s network
Ransomware attackers targeting a Fortune 100 company in the finance sector used a new malware strain, dubbed PDFSider, to deliver malicious payloads on Windows systems. The attackers employed social engineering in their attempt to gain remote access by impersonating technical support workers and to trick company employees into installing Microsoft’s Quick Assist tool. Researchers at cybersecurity company […]
Ransomware IAB abuses EDR for stealthy malware execution
An initial access broker tracked as Storm-0249 is abusing endpoint detection and response solutions and trusted Microsoft Windows utilities to load malware, establish communication, and persistence in preparation for ransomware attacks. The threat actor has moved beyond mass phishing and adopted stealthier, more advanced methods that prove effective and difficult for defenders to counter, even if well documented. In […]